OpenTechnical

OT-2026-000074595

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000074595) never changes.

Identity and time

Publication numberOT-2026-000074595 · never reused
Internal UUID01a0ae93-717b-788c-adf2-524ef3e9d49b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074595
StatusPUBLIC

Content hashes

Canonical textb03641e4bb1ae12ad1f13213fee9902f909f95831abd1269b1dc677c70fe4e8b
Markdownaa96348cfbd401dd369f3324e89979ef2dd7cf04a41b6202343ec17ec36b2a2a
PDF
Publication page9e2cf5c69416d73b62596515ca642c3a47b9d6b461683cd0bdbb5bc498c62613
Manifest3428ae16a6b0eca6d33ec73d76425fd89bdbbb3380631c4ebc3181b33b807b69

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureIofL3e5ODYRvjhGCSVanU18vvYUp/N6M1Rlpsbb1Qk/+abfWVC0PEF0Epg5UHeOG+uaS+n54Br1ChKmUkJqhAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:19:37.166237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074595
observed 9e2cf5c69416d73b62596515ca642c3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:37.145994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074595/manifest.json
observed 3428ae16a6b0eca6d33ec73d76425fd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:37.126961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074595/publication.md
observed aa96348cfbd401dd369f3324e89979ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:37.106858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074595/publication.txt
observed b03641e4bb1ae12ad1f13213fee9902f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.